CN102332591A - Reaction gas humidifier for proton exchange membrane fuel cell - Google Patents
Reaction gas humidifier for proton exchange membrane fuel cell Download PDFInfo
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- CN102332591A CN102332591A CN201110257660A CN201110257660A CN102332591A CN 102332591 A CN102332591 A CN 102332591A CN 201110257660 A CN201110257660 A CN 201110257660A CN 201110257660 A CN201110257660 A CN 201110257660A CN 102332591 A CN102332591 A CN 102332591A
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- Prior art keywords
- exchange membrane
- proton exchange
- reaction gas
- humidification
- membrane fuel
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E60/00—Enabling technologies; Technologies with a potential or indirect contribution to GHG emissions mitigation
- Y02E60/30—Hydrogen technology
- Y02E60/50—Fuel cells
Abstract
The invention discloses a reaction gas humidifier for a proton exchange membrane fuel cell, comprising a humidification tank, a heating jacket, a thermocouple, a porous metal material, an inlet air pipe, an outlet air pipe, purified water, a temperature controller, a gas flow controller and the like. The humidifier can control the reaction gas humidification of the fuel cell accurately, has the advantages of adjustable humidification amount, ideal humidification effect, no liquid water drops, high humidification speed, simple and practicable device, lower cost and the like, and can be suitable for a test experiment system of the proton exchange membrane fuel cell.
Description
Technical field
The present invention relates to humidifier, particularly a kind of reaction gas humidifier that is used for Proton Exchange Membrane Fuel Cells.
Background technology
Fuel cell is a kind of chemical energy that will be stored in fuel and the oxidant is converted into electric energy through electrochemical reaction a TRT.Fuel cell is that the chemical energy that directly will be stored in fuel and the oxidant through electrochemical reaction is converted into electric energy with the difference of general TRT, and energy conversion efficiency is high, and environmentally safe has vast potential for future development.Proton Exchange Membrane Fuel Cells (PEMFC) be a kind of novel, efficient, the cleaning fuel cell.Its generating efficiency can reach about 60%.
Proton Exchange Membrane Fuel Cells (PEMFC) chief component has membrane electrode assembly (MEA), bipolar plates and gas diffusion layers.The factor that influences the PEMFC performance is a lot, and wherein reaction gas humidity is one of key factor that influences proton exchange film fuel battery performance.Because membrane electrode is the key that proton transmits, increases with its humidity in the conductivity certain limit of membrane electrode during the PEMFC operation, thereby improve reaction efficiency.Therefore for improving the performance of battery, the reacting gas damping device is essential.
Main humidifier has following at present: (1) tail gas condensing and recycling is from humidification; (2) ultrasonic wave adds wet method; (3) Bubbling method; (4) gunite; (5) film humidification.Above the whole bag of tricks all has its weak point.The tail gas condensing and recycling is relatively poor from the humidification effect, difficult control.Ultrasonic wave adds the wet method water temperature can not be too high, otherwise the humidifier life-span is descended.The Bubbling method humidification can be controlled the water temperature of humidifier and regulate, but the humidifier outlet has aqueous water to exist.Gunite needs high-pressure pump, and is very high to water quality requirement, has the noise jamming particle thicker, and dripping phenomenon is arranged, vaporization efficency ability about 30%.Film humidification shortcoming is obvious, and the film that needs is many, and cost is higher, is difficult to operation.
Summary of the invention
For overcome existing fuel cell humidifier humidification poor, be difficult to control, the life-span is lower, the operational environment requirement high, generate easily aqueous water deficiency, pour in down a chimney easily, cost is than characteristics such as height, the present invention provides a kind of reaction gas humidifier that is used for Proton Exchange Membrane Fuel Cells.Its humidification is satisfactory for result, operation is simple and convenient, can adapt to various environment, can filter aqueous water effectively, cost is lower.
Its concrete technical scheme is following:
A kind of reaction gas humidifier that is used for Proton Exchange Membrane Fuel Cells is characterized in that comprising that the humidification jar of sealing, the top of said humidification jar are provided with air inlet pipe, escape pipe; The inner bottom part of said humidification jar is the district that is filled with water, and the layer top that be filled with water is the steam filter course; Said air inlet pipe directly communicates with the district that is filled with water, and said escape pipe directly communicates with the steam filter course; The outer wall of said humidification jar bottom is provided with electric heater.
The end of air inlet pipe has air vent hole, and air inlet pipe stretches into the district that is filled with water through air vent hole.
Said steam filter course is a porous metal bodies, and its aperture is 0.1mm～1mm, porosity 70%～95%.
Said porous metal bodies is any one in porous copper fiber sintering carpet veneer, stainless steel fibre sintering carpet veneer or the foam metal layer.
The porch of air inlet pipe is provided with gas flow controller.
The said district that is filled with water also is provided with thermocouple, and thermocouple is connected with temperature controller.
The end of said air inlet pipe is apart from the interior end 1cm～2cm of humidification jar 1.
The invention has the beneficial effects as follows:
(1) strong interference immunity of the present invention, sealing better can be worked under high-temperature and high-pressure conditions.
(2) in the damping device of the present invention, reaction gas flow is adjustable, through the adjustments of gas flow controller, effectively accurately adjusts charge flow rate.
(3) gas of humidification of the present invention is through the filtration of steam filter course, and liquid water droplet is able to filter, and the steam filter course has also prolonged the path of gas humidification, and humidification is rapider, and humidification is satisfactory for result.
(4) of the present inventionly come adjustments of gas humidification humidity, save cost through indirect measurement and control gaseous humidification temperature.
(5) technological means of the present invention is simple and easy to do, possesses actively, technique effect valuably.
Description of drawings
Fig. 1 is an internal structure sketch map of the present invention.
Fig. 2 is the novel plan structure sketch map of the present invention.
Embodiment
Following specific embodiments of the invention is done further detailed explanation, but execution mode of the present invention is not limited thereto.
Like Fig. 1, shown in Figure 2, the present invention is used for the reaction gas humidifier of Proton Exchange Membrane Fuel Cells, comprises that the top of the humidification jar 1 of sealing, said humidification jar 1 is provided with air inlet pipe 6, escape pipe 8; The inner bottom part of said humidification jar 1 is the district 9 that is filled with water, and layer 9 top that are filled with water are steam filter course 5; Said air inlet pipe 6 directly communicates with the district 9 that is filled with water, and said escape pipe 8 directly communicates with steam filter course 5; The outer wall of said humidification jar 1 bottom is provided with electric heater 3.
Said steam filter course 5 is a porous metal bodies, and its aperture is 0.1mm～1mm, porosity 70%～95%.
Porous metal bodies is any one in porous copper fiber sintering carpet veneer, stainless steel fibre sintering carpet veneer or the foam metal layer.
The porch of air inlet pipe 6 is provided with gas flow controller 11.
The district that is filled with water 5 also is provided with thermocouple 4, to detect water temperature.Thermocouple 4 is connected with temperature controller 10.Temperature controller 10 connects the 220V AC power, heater 3 and temperature controller 10.
The end of air inlet pipe 6 has air vent hole 2, and air vent hole 2 stretches in the water in the district 9 that is filled with water, and its end makes gas fully obtain humidification apart from end 1cm～2cm in the humidification jar 1.
Air inlet pipe 6 is threaded with humidification jar 1 through snap joint 7, between twine with raw material band, make humidification jar sealing.
Be filled with water and distinguish the water of packing in 9, preferably adopt pure water, its liquid level height is about the half the of humidification jar 1 height.Through the gas of humidification,, remove liquid water droplet through the filtration of steam filter course 5.Steam filter course 5 can adopt the copper fiber sintering carpet veneer, and it has pore characteristics, and the gas of humidification can be removed its drop through the copper fiber sintering carpet veneer, and can prolong its humidified gases path, is unlikely to take out of liquid water droplets again for the abundant humidification of gas.
Described humidification jar 1 can be processed by 316 stainless steels, is not easy to get rusty.Humidification jar 1 can be made up of cover and tank body, and cover and tank body adopt and be threaded, and twine with raw material band again, and its good mechanical property satisfies the sealing property requirement, anticorrosion.
Extraneous gas gets into gas flow controllers 11 through air inlet 6, gets into the district 9 of being filled with water through air vent hole 2 and contact with water, and steam filter course 5 is passed in the gas rising behind the humidification, at last from escape pipe 8 outflows.Through adjustments of gas flow controller 11, can control the gas flow that gets in the humidification jar 1.
Specify this patent running below in conjunction with Fig. 1, Fig. 2:
At first; In humidification jar 1, add pure water and roughly account for half high position of tank body, set humidification temperature through temperature controller 10 earlier during work, detect feedback heating water temperature through thermocouple 4; Temperature controller 10 carries out PID control, exports to heater 3 again and carries out adjustment.Thereby through regulating the relative humidification humidity of heating-up temperature adjustments of gas.
Through certain hour, be heated to enough temperature, feed gas by air inlet 6, adjustment flow controller 11.
Dry gas gets into humidification jar 1, runs into hot water, absorbs its moisture, increases humidity, and through steam filter course 5, liquid water droplet is filtered when leaving the water surface, and final gas flows out from escape pipe 8 sends to battery.
Just can realize this patent preferably as stated.
Claims (7)
1. a reaction gas humidifier that is used for Proton Exchange Membrane Fuel Cells is characterized in that comprising that the humidification jar of sealing, the top of said humidification jar are provided with air inlet pipe, escape pipe; The inner bottom part of said humidification jar is the district that is filled with water, and the layer top that be filled with water is the steam filter course; Said air inlet pipe directly communicates with the district that is filled with water, and said escape pipe directly communicates with the steam filter course; The outer wall of said humidification jar bottom is provided with electric heater.
2. the reaction gas humidifier that is used for Proton Exchange Membrane Fuel Cells according to claim 1 is characterized in that the end of air inlet pipe has air vent hole, and air inlet pipe stretches into the district that is filled with water through air vent hole.
3. the reaction gas humidifier that is used for Proton Exchange Membrane Fuel Cells according to claim 2 is characterized in that said steam filter course is a porous metal bodies, and its aperture is 0.1mm～1mm, porosity 70%～95%.
4. the reaction gas humidifier that is used for Proton Exchange Membrane Fuel Cells according to claim 3 is characterized in that said porous metal bodies is any one in porous copper fiber sintering carpet veneer, stainless steel fibre sintering carpet veneer or the foam metal layer.
5. the reaction gas humidifier that is used for Proton Exchange Membrane Fuel Cells according to claim 4 is characterized in that the porch of air inlet pipe is provided with gas flow controller.
6. the reaction gas humidifier that is used for Proton Exchange Membrane Fuel Cells according to claim 5 is characterized in that the said district that is filled with water also is provided with thermocouple, and thermocouple is connected with temperature controller.
7. the reaction gas humidifier that is used for Proton Exchange Membrane Fuel Cells according to claim 6 is characterized in that the interior end 1cm～2cm of the end of said air inlet pipe apart from humidification jar 1.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201110257660A CN102332591A (en) | 2011-09-02 | 2011-09-02 | Reaction gas humidifier for proton exchange membrane fuel cell |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201110257660A CN102332591A (en) | 2011-09-02 | 2011-09-02 | Reaction gas humidifier for proton exchange membrane fuel cell |
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| CN102332591A true CN102332591A (en) | 2012-01-25 |
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| CN201110257660A Pending CN102332591A (en) | 2011-09-02 | 2011-09-02 | Reaction gas humidifier for proton exchange membrane fuel cell |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103779594A (en) * | 2012-10-17 | 2014-05-07 | 通用汽车环球科技运作有限责任公司 | Plate-style water vapor transfer unit with integral headers |
| CN104716357A (en) * | 2013-12-13 | 2015-06-17 | 中国科学院大连化学物理研究所 | Humidifier for fuel cells |
| CN110165250A (en) * | 2019-06-21 | 2019-08-23 | 沃尔特电子（苏州）有限公司 | A kind of fuel cell humidification tank |
| CN112952148A (en) * | 2019-12-11 | 2021-06-11 | 中国科学院大连化学物理研究所 | Fuel cell humidification control device |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20030098516A1 (en) * | 2001-11-27 | 2003-05-29 | Chaojiong Zhang | Gas humidifier |
| CN1953260A (en) * | 2005-10-18 | 2007-04-25 | 上海博能同科燃料电池***有限公司 | Dedicated heating and humidifying device for proton exchange membrane fuel cell |
| CN202231104U (en) * | 2011-09-02 | 2012-05-23 | 华南理工大学 | Reaction gas humidifier for proton exchange membrane fuel cell |
-
2011
- 2011-09-02 CN CN201110257660A patent/CN102332591A/en active Pending
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20030098516A1 (en) * | 2001-11-27 | 2003-05-29 | Chaojiong Zhang | Gas humidifier |
| CN1953260A (en) * | 2005-10-18 | 2007-04-25 | 上海博能同科燃料电池***有限公司 | Dedicated heating and humidifying device for proton exchange membrane fuel cell |
| CN202231104U (en) * | 2011-09-02 | 2012-05-23 | 华南理工大学 | Reaction gas humidifier for proton exchange membrane fuel cell |
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103779594A (en) * | 2012-10-17 | 2014-05-07 | 通用汽车环球科技运作有限责任公司 | Plate-style water vapor transfer unit with integral headers |
| CN104716357A (en) * | 2013-12-13 | 2015-06-17 | 中国科学院大连化学物理研究所 | Humidifier for fuel cells |
| CN104716357B (en) * | 2013-12-13 | 2017-03-15 | 中国科学院大连化学物理研究所 | A kind of humidifier for fuel cell |
| CN110165250A (en) * | 2019-06-21 | 2019-08-23 | 沃尔特电子（苏州）有限公司 | A kind of fuel cell humidification tank |
| WO2020253100A1 (en) * | 2019-06-21 | 2020-12-24 | 沃尔特电子（苏州）有限公司 | Humidification tank for fuel cell |
| CN112952148A (en) * | 2019-12-11 | 2021-06-11 | 中国科学院大连化学物理研究所 | Fuel cell humidification control device |
| CN112952148B (en) * | 2019-12-11 | 2023-09-19 | 中国科学院大连化学物理研究所 | Fuel cell humidification control device |
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Application publication date: 20120125 |